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相关论文: PDCCH Scheduling via Maximum Independent Set

200 篇论文

We consider the problem of allocating 5G radio resources over wireless communication links to control a series of independent low-latency wireless control systems common in industrial settings. Each control system sends state information to…

信号处理 · 电气工程与系统科学 2019-10-31 Mark Eisen , Mohammad M. Rashid , Alejandro Ribeiro , Dave Cavalcanti

This paper provides the mobility and coverage evaluation of New Radio (NR) Physical Downlink Control Channel (PDCCH) for Point-to-Multipoint (PTM) use cases, e.g., eMBMS (evolved Multimedia Broadcast Multicast Services). The evaluation…

信号处理 · 电气工程与系统科学 2019-12-04 Hongzhi Chen , De Mi , Belkacem Mouhouche , Pei Xiao , Rahim Tafazolli

A deep learning (DL)-based power control algorithm that solves the max-min user fairness problem in a cell-free massive multiple-input multiple-output (MIMO) system is proposed. Max-min rate optimization problem in a cell-free massive MIMO…

信号处理 · 电气工程与系统科学 2021-02-23 Nuwanthika Rajapaksha , K. B. Shashika Manosha , Nandana Rajatheva , Matti Latva-aho

This paper considers a multi-process and multi-controller wireless networked control system (WNCS). There are $N$ independent linear time-invariant processes in the system plant which represent different kinds of physical processes. By…

系统与控制 · 电气工程与系统科学 2021-09-28 Yifei Qiu , Shaohua Wu , Ying Wang

We study downlink channel estimation in a frequency-division duplex (FDD) massive MIMO system from PMI-only feedback under a 5G NR-type limited-feedback architecture. In this architecture, the user selects a preferred codeword from a shared…

信息论 · 计算机科学 2026-04-27 Jinchi Chen , Mingxi Hu , Peigang Jiang , Xin Meng , Ke Wei , Xianyin Zhang

Massive MIMO is widely considered as a key enabler of the next generation 5G networks. With a large number of antennas at the Base Station, both spectral and energy efficiencies can be enhanced. Unfortunately, the downlink channel…

信息论 · 计算机科学 2019-08-14 Ali Maatouk , Salah Eddine Hajri , Mohamad Assaad , Hikmet Sari

This paper presents a physical layer network coding (PNC) approach for network MIMO (N-MIMO) systems to release the heavy burden of backhaul load. The proposed PNC approach is applied for uplink scenario in binary systems, and the design…

信号处理 · 电气工程与系统科学 2018-05-22 Tong Peng , Yi Wang , Alister G. Burr , Mohammad Shikh-Bahaei

Device-to-device (D2D) technology enables direct communication between adjacent devices within cellular networks. Due to its high data rate, low latency, and performance improvement in spectrum and energy efficiency, it has been widely…

网络与互联网体系结构 · 计算机科学 2024-10-07 Yang Yu , Xiaoqing Tang

A deep neural network (DNN) based power control method is proposed, which aims at solving the non-convex optimization problem of maximizing the sum rate of a multi-user interference channel. Towards this end, we first present PCNet, which…

信号处理 · 电气工程与系统科学 2019-03-12 Fei Liang , Cong Shen , Wei Yu , Feng Wu

We revisit the recent polynomial-time algorithm for the MAX WEIGHT INDEPENDENT SET (MWIS) problem in bounded-degree graphs that do not contain a fixed graph whose every component is a subdivided claw as an induced subgraph [Abrishami,…

数据结构与算法 · 计算机科学 2024-01-15 Tara Abrishami , Maria Chudnovsky , Cemil Dibek , Marcin Pilipczuk , Paweł Rzążewski

Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable wireless environment via steering the incident signal in fully customizable ways with reconfigurable passive elements. In this paper, we consider a…

信号处理 · 电气工程与系统科学 2019-12-30 Huayan Guo , Ying-Chang Liang , Jie Chen , Erik G. Larsson

Large-scale integration of plug-in electric vehicles (PEV) in power systems can cause severe issues to the existing distribution system, such as branch congestions and significant voltage drops. As a consequence, smart charging strategies…

最优化与控制 · 数学 2012-07-24 Qiao Li , Rohit Negi , Marija D. Ilic

In wireless multi-hop networks, delay is an important metric for many applications. However, the max-weight scheduling algorithms in the literature typically focus on instantaneous optimality, in which the schedule is selected by solving a…

信号处理 · 电气工程与系统科学 2022-02-18 Zhongyuan Zhao , Gunjan Verma , Ananthram Swami , Santiago Segarra

Owing to severe path loss and unreliable transmission over a long distance at higher frequency bands, we investigate the problem of path selection and rate allocation for multi-hop self-backhaul millimeter wave (mmWave) networks. Enabling…

网络与互联网体系结构 · 计算机科学 2019-03-11 Trung Kien Vu , Mehdi Bennis , Merouane Debbah , Matti Latva-aho

The increasingly diversified Quality-of-Service (QoS) requirements envisioned for future wireless networks call for more flexible and inclusive multiple access techniques for supporting emerging applications and communication scenarios. To…

信息论 · 计算机科学 2021-08-25 Jie Mei , Wudan Han , Xianbin Wang , H. Vincent Poor

We show NP-hardness of the minimum latency scheduling (MLS) problem under the physical model of wireless networking. In this model a transmission is received successfully if the Signal to Interference-plus-Noise Ratio (SINR), is above a…

网络与互联网体系结构 · 计算机科学 2012-03-14 Henry Lin , Frans Schalekamp

This paper proposes to deploy multiple reconfigurable intelligent surfaces (RISs) in device-to-device (D2D)-underlaid cellular systems. The uplink sum-rate of the system is maximized by jointly optimizing the transmit powers of the users,…

信息论 · 计算机科学 2021-08-24 Yashuai Cao , Tiejun Lv , Wei Ni , Zhipeng Lin

In this letter, we investigate the uplink of a reconfigurable intelligent surface (RIS)-aided millimeter-wave (mmWave) multi-user system. In the considered system, however, problems with hardware cost and power consumption arise when…

信号处理 · 电气工程与系统科学 2020-11-30 Yue Xiu , Jun Zhao , Ertugrul Basar , Marco Di Renzo , Wei Sun , Guan Gui , Ning Wei

Physical layer network coding (PNC) has been studied to serve wireless network MIMO systems with much lower backhaul load than approaches such as Cloud Radio Access Network (Cloud-RAN) and coordinated multipoint (CoMP). In this paper, we…

信号处理 · 电气工程与系统科学 2018-05-22 Tong Peng , Yi Wang , Alister G. Burr , Mohammad Shikh-Bahaei

User selection (US) with Zero-forcing beamforming is considered in fast fading Gaussian vector broadcast channels with perfect channel state information (CSI) at the transmitter. A novel criterion for US is proposed, which depends on both…

信息论 · 计算机科学 2012-07-13 Keigo Takeuchi , Tsutomu Kawabata